Reducing Substances in Milk
نویسندگان
چکیده
منابع مشابه
Identification of Reducing Substances in Nephritic Urine
Analytical Methods-The total and non-fermentable reducing substances in the urine were determined by the gasometric methods of Van Slyke and Hawkins (2) and recorded in terms of glucose. Diurnal Excretion of Reducing Xubstances-In the two cases studied the daily amount of fermentable and non-fermentable reducing substances excreted was determined on several successive days. The diurnal excretio...
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Nucleotides, nucleosides and nucleobases belong to the non-protein-nitrogen (NPN) fraction of milk. The largest amounts of ribonucleosides and ribonucleotides--ribose forms only were considered in this review--were measured directly after parturition in bovine milk and other ruminants as well as in the milk of humans. Generally, concentrations of most of the nucleos(t)ides tend to decrease grad...
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The rate of hydrolysis of esters in solution is highly dependent on the nature of the alcohols, e.g. hydrolysis of methyl acetate is twice as fast as that of ethyl, n-propyl and n-butyl acetate and six times as fast as that of i8opropyl acetate (Smith & Olsson, 1925). The fact that the different wool esters hydrolyse at approximately the same rate suggests that the rate-controlling step in the ...
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Photosynthetic cytochrome c reduction by isolated chloroplasts is mediated by substances with characteristics of a “Cytochrome c Reducing Substance” (CRS). A water soluble extract of ether treated, lyophilized chloroplasts (called SL-eth), related to the primary acceptor complex of photo system I, has CRS-activity. It contains p-coumaroyl-meso-tartaric acid. By comparison with model substances...
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Since Kuhn & Jerchel (1941) showed that tetrazolium salts were reduced by bacteria, yeasts and germinating seeds, 2:3:5-triphenyltetrazolium chloride or bromide has come into prominence as a viability testing reagent (Cottrell, 1947) and for vital staining (Mattson, Jensen & Dutcher, 1947). Its specific advantages for this purpose and for the purposes which follow lie in its Eo value of -008 V....
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ژورنال
عنوان ژورنال: Eiyo To Shokuryo
سال: 1963
ISSN: 1883-8863
DOI: 10.4327/jsnfs1949.15.457